Files
multi-user/multi_user/io_bpy/bl_material.py

508 lines
16 KiB
Python

# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
# ##### END GPL LICENSE BLOCK #####
import bpy
import mathutils
import logging
import re
from uuid import uuid4
from .dump_anything import Loader, Dumper
from .bl_datablock import get_datablock_from_uuid, stamp_uuid
from replication.protocol import ReplicatedDatablock
from replication.objects import Node
NODE_SOCKET_INDEX = re.compile('\[(\d*)\]')
IGNORED_SOCKETS = ['GEOMETRY', 'SHADER', 'CUSTOM']
def load_node(node_data: dict, node_tree: bpy.types.ShaderNodeTree):
""" Load a node into a node_tree from a dict
:arg node_data: dumped node data
:type node_data: dict
:arg node_tree: datablock node_tree
:type node_tree: bpy.types.NodeTree
"""
loader = Loader()
target_node = node_tree.nodes.new(type=node_data["bl_idname"])
target_node.select = False
loader.load(target_node, node_data)
image_uuid = node_data.get('image_uuid', None)
node_tree_uuid = node_data.get('node_tree_uuid', None)
if image_uuid and not target_node.image:
target_node.image = get_datablock_from_uuid(image_uuid, None)
if node_tree_uuid:
target_node.node_tree = get_datablock_from_uuid(node_tree_uuid, None)
inputs_data = node_data.get('inputs')
if inputs_data:
inputs = [i for i in target_node.inputs if i.type not in IGNORED_SOCKETS]
for idx, inpt in enumerate(inputs):
if idx < len(inputs_data) and hasattr(inpt, "default_value"):
loaded_input = inputs_data[idx]
try:
if inpt.type in ['OBJECT', 'COLLECTION']:
inpt.default_value = get_datablock_from_uuid(loaded_input, None)
else:
inpt.default_value = loaded_input
except Exception as e:
logging.warning(f"Node {target_node.name} input {inpt.name} parameter not supported, skipping ({e})")
else:
logging.warning(f"Node {target_node.name} input length mismatch.")
outputs_data = node_data.get('outputs')
if outputs_data:
outputs = [o for o in target_node.outputs if o.type not in IGNORED_SOCKETS]
for idx, output in enumerate(outputs):
if idx < len(outputs_data) and hasattr(output, "default_value"):
loaded_output = outputs_data[idx]
try:
if output.type in ['OBJECT', 'COLLECTION']:
output.default_value = get_datablock_from_uuid(loaded_output, None)
else:
output.default_value = loaded_output
except Exception as e:
logging.warning(
f"Node {target_node.name} output {output.name} parameter not supported, skipping ({e})")
else:
logging.warning(
f"Node {target_node.name} output length mismatch.")
def dump_node(node: bpy.types.ShaderNode) -> dict:
""" Dump a single node to a dict
:arg node: datablock node
:type node: bpy.types.Node
:retrun: dict
"""
node_dumper = Dumper()
node_dumper.depth = 1
node_dumper.exclude_filter = [
"dimensions",
"show_expanded",
"name_full",
"select",
"bl_label",
"bl_height_min",
"bl_height_max",
"bl_height_default",
"bl_width_min",
"bl_width_max",
"type",
"bl_icon",
"bl_width_default",
"bl_static_type",
"show_tetxure",
"is_active_output",
"hide",
"show_options",
"show_preview",
"show_texture",
"outputs",
"width_hidden",
"image"
]
dumped_node = node_dumper.dump(node)
if node.parent:
dumped_node['parent'] = node.parent.name
dump_io_needed = (node.type not in ['REROUTE', 'OUTPUT_MATERIAL'])
if dump_io_needed:
io_dumper = Dumper()
io_dumper.depth = 2
io_dumper.include_filter = ["default_value"]
if hasattr(node, 'inputs'):
dumped_node['inputs'] = []
inputs = [i for i in node.inputs if i.type not in IGNORED_SOCKETS]
for idx, inpt in enumerate(inputs):
if hasattr(inpt, 'default_value'):
if isinstance(inpt.default_value, bpy.types.ID):
dumped_input = inpt.default_value.uuid
else:
dumped_input = io_dumper.dump(inpt.default_value)
dumped_node['inputs'].append(dumped_input)
if hasattr(node, 'outputs'):
dumped_node['outputs'] = []
for idx, output in enumerate(node.outputs):
if output.type not in IGNORED_SOCKETS:
if hasattr(output, 'default_value'):
dumped_node['outputs'].append(
io_dumper.dump(output.default_value))
if hasattr(node, 'color_ramp'):
ramp_dumper = Dumper()
ramp_dumper.depth = 4
ramp_dumper.include_filter = [
'elements',
'alpha',
'color',
'position',
'interpolation',
'hue_interpolation',
'color_mode'
]
dumped_node['color_ramp'] = ramp_dumper.dump(node.color_ramp)
if hasattr(node, 'mapping'):
curve_dumper = Dumper()
curve_dumper.depth = 5
curve_dumper.include_filter = [
'curves',
'points',
'location'
]
dumped_node['mapping'] = curve_dumper.dump(node.mapping)
if hasattr(node, 'image') and getattr(node, 'image'):
dumped_node['image_uuid'] = node.image.uuid
if hasattr(node, 'node_tree') and getattr(node, 'node_tree'):
dumped_node['node_tree_uuid'] = node.node_tree.uuid
return dumped_node
def load_links(links_data, node_tree):
""" Load node_tree links from a list
:arg links_data: dumped node links
:type links_data: list
:arg node_tree: node links collection
:type node_tree: bpy.types.NodeTree
"""
for link in links_data:
input_socket = node_tree.nodes[link['to_node']
].inputs[int(link['to_socket'])]
output_socket = node_tree.nodes[link['from_node']].outputs[int(
link['from_socket'])]
node_tree.links.new(input_socket, output_socket)
def dump_links(links):
""" Dump node_tree links collection to a list
:arg links: node links collection
:type links: bpy.types.NodeLinks
:retrun: list
"""
links_data = []
for link in links:
to_socket = NODE_SOCKET_INDEX.search(
link.to_socket.path_from_id()).group(1)
from_socket = NODE_SOCKET_INDEX.search(
link.from_socket.path_from_id()).group(1)
links_data.append({
'to_node': link.to_node.name,
'to_socket': to_socket,
'from_node': link.from_node.name,
'from_socket': from_socket,
})
return links_data
def dump_node_tree(node_tree: bpy.types.ShaderNodeTree) -> dict:
""" Dump a shader node_tree to a dict including links and nodes
:arg node_tree: dumped shader node tree
:type node_tree: bpy.types.ShaderNodeTree
:return: dict
"""
node_tree_data = {
'nodes': {node.name: dump_node(node) for node in node_tree.nodes},
'links': dump_links(node_tree.links),
'name': node_tree.name,
'type': type(node_tree).__name__
}
for socket_id in ['inputs', 'outputs']:
socket_collection = getattr(node_tree, socket_id)
node_tree_data[socket_id] = dump_node_tree_sockets(socket_collection)
return node_tree_data
def dump_node_tree_sockets(sockets: bpy.types.Collection) -> dict:
""" dump sockets of a shader_node_tree
:arg target_node_tree: datablock node_tree
:type target_node_tree: bpy.types.NodeTree
:arg socket_id: socket identifer
:type socket_id: str
:return: dict
"""
sockets_data = []
for socket in sockets:
try:
socket_uuid = socket['uuid']
except Exception:
socket_uuid = str(uuid4())
socket['uuid'] = socket_uuid
sockets_data.append((socket.name, socket.bl_socket_idname, socket_uuid))
return sockets_data
def load_node_tree_sockets(sockets: bpy.types.Collection,
sockets_data: dict):
""" load sockets of a shader_node_tree
:arg target_node_tree: datablock node_tree
:type target_node_tree: bpy.types.NodeTree
:arg socket_id: socket identifer
:type socket_id: str
:arg socket_data: dumped socket data
:type socket_data: dict
"""
# Check for removed sockets
for socket in sockets:
if not [s for s in sockets_data if 'uuid' in socket and socket['uuid'] == s[2]]:
sockets.remove(socket)
# Check for new sockets
for idx, socket_data in enumerate(sockets_data):
try:
checked_socket = sockets[idx]
if checked_socket.name != socket_data[0]:
checked_socket.name = socket_data[0]
except Exception:
s = sockets.new(socket_data[1], socket_data[0])
s['uuid'] = socket_data[2]
def load_node_tree(node_tree_data: dict, target_node_tree: bpy.types.ShaderNodeTree) -> dict:
"""Load a shader node_tree from dumped data
:arg node_tree_data: dumped node data
:type node_tree_data: dict
:arg target_node_tree: datablock node_tree
:type target_node_tree: bpy.types.NodeTree
"""
# TODO: load only required nodes
target_node_tree.nodes.clear()
if not target_node_tree.is_property_readonly('name'):
target_node_tree.name = node_tree_data['name']
if 'inputs' in node_tree_data:
socket_collection = getattr(target_node_tree, 'inputs')
load_node_tree_sockets(socket_collection, node_tree_data['inputs'])
if 'outputs' in node_tree_data:
socket_collection = getattr(target_node_tree, 'outputs')
load_node_tree_sockets(socket_collection, node_tree_data['outputs'])
# Load nodes
for node in node_tree_data["nodes"]:
load_node(node_tree_data["nodes"][node], target_node_tree)
for node_id, node_data in node_tree_data["nodes"].items():
target_node = target_node_tree.nodes.get(node_id, None)
if target_node is None:
continue
elif 'parent' in node_data:
target_node.parent = target_node_tree.nodes[node_data['parent']]
else:
target_node.parent = None
# TODO: load only required nodes links
# Load nodes links
target_node_tree.links.clear()
load_links(node_tree_data["links"], target_node_tree)
def get_node_tree_dependencies(node_tree: bpy.types.NodeTree) -> list:
def has_image(node): return (
node.type in ['TEX_IMAGE', 'TEX_ENVIRONMENT'] and node.image)
def has_node_group(node): return (
hasattr(node, 'node_tree') and node.node_tree)
def has_texture(node): return (
node.type in ['ATTRIBUTE_SAMPLE_TEXTURE','TEXTURE'] and node.texture)
deps = []
for node in node_tree.nodes:
if has_image(node):
deps.append(node.image)
elif has_node_group(node):
deps.append(node.node_tree)
elif has_texture(node):
deps.append(node.texture)
return deps
def dump_materials_slots(materials: bpy.types.bpy_prop_collection) -> list:
""" Dump material slots collection
:arg materials: material slots collection to dump
:type materials: bpy.types.bpy_prop_collection
:return: list of tuples (mat_uuid, mat_name)
"""
return [(m.uuid, m.name) for m in materials if m]
def load_materials_slots(src_materials: list, dst_materials: bpy.types.bpy_prop_collection):
""" Load material slots
:arg src_materials: dumped material collection (ex: object.materials)
:type src_materials: list of tuples (uuid, name)
:arg dst_materials: datablock material collection pointer
:type dst_materials: bpy.types.bpy_prop_collection
"""
# MATERIAL SLOTS
dst_materials.clear()
for mat_uuid, mat_name in src_materials:
mat_ref = None
if mat_uuid is not None:
mat_ref = get_datablock_from_uuid(mat_uuid, None)
else:
mat_ref = bpy.data.materials[mat_name]
dst_materials.append(mat_ref)
class BlMaterial(ReplicatedDatablock):
bl_id = "materials"
bl_class = bpy.types.Material
bl_check_common = False
bl_icon = 'MATERIAL_DATA'
bl_reload_parent = False
@staticmethod
def construct(data: dict) -> object:
return bpy.data.materials.new(data["name"])
@staticmethod
def load(data: dict, datablock: object):
data = data
loader = Loader()
is_grease_pencil = data.get('is_grease_pencil')
use_nodes = data.get('use_nodes')
loader.load(datablock, data)
if is_grease_pencil:
if not datablock.is_grease_pencil:
bpy.data.materials.create_gpencil_data(datablock)
loader.load(datablock.grease_pencil, data['grease_pencil'])
elif use_nodes:
if datablock.node_tree is None:
datablock.use_nodes = True
load_node_tree(data['node_tree'], datablock.node_tree)
@staticmethod
def dump(datablock: object) -> dict:
stamp_uuid(datablock)
mat_dumper = Dumper()
mat_dumper.depth = 2
mat_dumper.include_filter = [
'name',
'blend_method',
'shadow_method',
'alpha_threshold',
'show_transparent_back',
'use_backface_culling',
'use_screen_refraction',
'use_sss_translucency',
'refraction_depth',
'preview_render_type',
'use_preview_world',
'pass_index',
'use_nodes',
'diffuse_color',
'specular_color',
'roughness',
'specular_intensity',
'metallic',
'line_color',
'line_priority',
'is_grease_pencil'
]
data = mat_dumper.dump(datablock)
if datablock.is_grease_pencil:
gp_mat_dumper = Dumper()
gp_mat_dumper.depth = 3
gp_mat_dumper.include_filter = [
'color',
'fill_color',
'mix_color',
'mix_factor',
'mix_stroke_factor',
# 'texture_angle',
# 'texture_scale',
# 'texture_offset',
'pixel_size',
'hide',
'lock',
'ghost',
# 'texture_clamp',
'flip',
'use_overlap_strokes',
'show_stroke',
'show_fill',
'alignment_mode',
'pass_index',
'mode',
'stroke_style',
# 'stroke_image',
'fill_style',
'gradient_type',
# 'fill_image',
'use_stroke_holdout',
'use_overlap_strokes',
'use_fill_holdout',
]
data['grease_pencil'] = gp_mat_dumper.dump(datablock.grease_pencil)
elif datablock.use_nodes:
data['node_tree'] = dump_node_tree(datablock.node_tree)
return data
@staticmethod
def resolve_deps(datablock: object) -> [object]:
# TODO: resolve node group deps
deps = []
if datablock.use_nodes:
deps.extend(get_node_tree_dependencies(datablock.node_tree))
return deps
_type = bpy.types.Material
_class = BlMaterial